5.4.5 Fault Mode - Toshiba TE Series Instruction Manual

Basic Installation and Operation Guide
Example: Figure 5.4.5
Viewing a Fault and History
[ PLA.] Indicates that there was a Phase Loss during
Acceleration. The Decimal point on the right
signifies that this is the current fault.
Press the UP Arrow key
[IBc] Displays the previous fault, a Phase Imbalance
during Constant Speed (running)
[ oLc] Displays the oldest fault, an Overload trip during
Constant speed (running).
[rSt ] Flashes once to indicate a successful Reset of the
current fault. If it cannot be reset, the display will
read [inH] for Inhibited.
[0000.] Returns to Default Display, indicating that the unit
is ready to re-start.
Figure 5.4.5.b
Remote Reset Connection
TB-2
1
2 3
NC NO. C NC NO. C NO.
Remote Reset
Control Pow er
Supply
28 | P a g e
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5.4.5 Fault Mode

The Fault Mode Display provides information to the operator when a fault
occurs and allows the operator to review fault history. Refer to Section 7
for details. Fault codes are displayed by 3 alpha characters. The first and
second characters (reading left to right) are the initials for the applicable
English-language fault name. The third or right-most character can be
either A, c, or d to denote when the fault occurred: "A" denotes
Acceleration, "c" denotes Constant speed, and "d" denotes Decel or
Stop.
Press the UP Arrow key
Press [RESET] key
This Fault History can only be accessed during a fault condition. While
the active fault number is being displayed, use the Up and Down Arrow
keys to scroll through the Fault History. An additional Fault History
complete with Time and Date stamps is also available for viewing at any
time in F085 through F093.

5.4.5.a
Once a fault condition has been corrected, pressing the Reset key
will return the readout to the Status Display mode. To reset faults,
press the [RESET] key on the keypad. Alternatively, most faults will
reset upon removal and return of control power. Overload trips will
NOT be reset in this way unless sufficient time has passed for the
Thermal Register to regain sufficient capacity for a successful restart
1
(see section 3.1).
C A1 A2

5.4.5.b
Because most trips can be reset by removing control power, remote
reset can be accomplished this way. A NC remote contact (or push-
button) can be placed in the control power supply to A1 or A2 and
opened to facilitate a trip reset. See figure 5.4.5.b for a suggested
connection.
TE Series Digital Solid State Soft Starters 18 – 1250A
Resetting Faults
Remote Reset